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原文連結
論文資訊
- 類型：已發表論文
- 日期：2010
摘要
Questions: Are interaction patterns in 物種 interaction 網絡s different from what one expects by chance alone? In particular. are these 網絡s nested a pattern where resources taken by more specialized consumers form a proper subset of those taken by more generalized consumers? Organisms: Fifty-nine and 42 網絡s of mutualistic and host-parasitoid interactions, respectively. Analytical methods: For each 網絡, the observed deuce of nestedness is compared with the distribution of nestedness values derived from a collection of 1000 random 網絡s. Those 網絡s with nestedness values lower than 95% of all random values are considered 'unusually nested'. The analysis considers two different metrics of nestedness and live different 網絡 randomization algorithms, each of which differs in the ecological assumptions im
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